ey : < ; ‘i . ‘ to limit reentry to the sozthern and eastern islands of the atoll. This survey incicat:4 thet radiccctive contamination extended north of a line from Pogallua to Pirasi. Sevoaudasy fvts-out amounting to 2 mr/hr was experienced at Parry on the evening of Day. Lagoon water was moderately contaminated in the vicinity of the Bogallua-Teiteiripucchi chain and cleared within two days. Table 4,8 “= : RADIATION SUMMARY IN ROENTGENS PER HOUR Island uy Eniwetok Parry Japian 0 0 0 Chinimi 0 Aniyaanii , ? > 0 0 0 Piiraai Aaraanbiru 0.05 0.08 0.005 0,01 0,006 0.01 Biijiri 0.12 0.17 0.17 0,10 0.02 0.02 0,012 Aitsu Yeiri 0.10 0,01 0.01 0.014 0.01 0,14 0.016 0,02 0.17 0.02 0.02 0,05 0.08 0.06 0.08 0.02 0.02 0.02 Bokonaarappu Kirinian 0.17 0,35 6,02 0.04 Bogon 0.98 0.12 0.22 6.8 8.0 8.4 0.60 7.0 12 1.0 Ruchi Bogombugo Bogallua 8.0 3.9 2.2 0.80 0.44 0.26 0.36 0.36 0.28 Giriinien 0 0,42 0.70 ? 60.0 70.0 75.0 0 0 0 Ribaioni 0 . Mui 0 Pokon Igurin gu 4 0 0 0 ° ‘ 0 0 0 0 Rigili ‘ 0 0 +2 days 0 Bogairikk Teiteiripucchi Cochiti San Idefonso ‘ 0 0 0 owe ee 0 Muzin Engebi ' +1 day* Chinieero Aomon Eberiru Rujoru . —_~—- Runit Rojoa ‘ - Extrapolated H+thbr 0.02 0,04 0.14 0 0 0 0 0 0 *Period preceded by heavy rainfall. 4 . 4.6.9 ‘ The bulk of the samples analyzed by the radiation-analysis section of TU-7 were water samples. The specific activities in microcuries per milliliter of approximately 675 lagoon- and { ‘ s Laboratory Data Summary drinking-water samples were determined during the course of the operation. Lagoon sampling was carried on to ensure that ships’ anchorages were not excessively contaminated. As the operation progressed it became evident that excessively contaminated water could be observed 71 - es